The herb rosemary has a number of components found to be beneficial. Rosmarinic acid is a plant polyphenol derived from rosemary leaf. It is thought to have a number of health-promoting effects. This extract helps maintain a variety of functions necessary for good immunity, such as sustaining normal basophil, cytokine and eosinophil functions. It also helps support healthy liver function, including phase I and II detoxification enzymes. Luteolin has been added to the extract, which also helps to regulate inflammatory response and the proper functioning of the immune system. This combination makes rosmarinic acid a unique product with worthwhile health benefits.25,26,162-174